Which of the following antibiotics is produced by bacteria in the genus Streptomycetes?
A. Chloramphenicol
B. Tetracycline
C. Vancomycin
D. All of the choices are correct.
Answer: D
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The extraembryonic membrane that secretes fluid around the developing embryo is the
a. allantois. b. amnion. c. chorion. d. yolk sac. e. both the allantois and the yolk sac.
In 1990, a small herd of white-tailed deer migrated into a new environment. Research indicated that the herd has reproduced exponentially with a doubling time of 5 years. It was estimated that this herd would reach its carrying capacity by 2005. In what year would the herd be "half way" to its carrying capacity? Explain
What will be an ideal response?
The innervation ratio of motor units is not standard and depends on the demands of the muscle. Which of the following muscles would have the lowest innervation ratio? How would this affect its function?
a. Soleus: coarse movement b. Orbicularis oculi: fine movement c. Gluteus maximus: fine movement d. Vastus lateralis: coarse movement
Who discovered the first antimicrobial widely available to the general public?
A. Domagk B. Ehrlich C. Fleming D. Waksman E. Ehrlich and Waksman